| article html file updated | 6 February 2020 03:41 CET | Update | https://www.mdpi.com/1420-3049/18/8/9512 |
| article html file updated | 19 September 2019 23:49 CEST | Update | - |
| article html file updated | 8 May 2019 01:57 CEST | Update | - |
| article html file updated | 21 March 2019 02:40 CET | Update | - |
| article html file updated | 14 September 2018 08:48 CEST | Original file | - |
| article pdf uploaded. | 8 August 2013 12:19 CEST | Version of Record | https://www.mdpi.com/1420-3049/18/8/9512/pdf |
